The seller represents this timepiece as being in good condition with light case marks. It includes the boxes (inner and outer), additional items, and papers without a specific date. 

Ulysse Nardin Marine Chronometer Manufacture 43MM Black Dial 1186-126/6

This Ulysse Nardin Marine Chronometer Manufacture reference 1186-126/6 delivers the brand's nautical heritage in a warm 43mm 18K rose gold case paired with a deep black dial, small seconds, and power reserve indicator for a distinctive layout that stands apart from the usual dress-watch formula. Offered pre-owned, it combines Ulysse Nardin's in-house manufacture calibre with the maritime design cues the Marine Chronometer line has been known for since its introduction, giving collectors a full-gold sports-dress hybrid with genuine horological substance.

Condition: Pre-owned, presenting in attractive overall condition with light wear consistent with careful use on the case, bezel, and clasp; all details are best represented in the photos.

Case: 43mm 18K rose gold case approximately 13.85mm thick, with coin-edge bezel, screw-down crown, sapphire crystal, and sapphire exhibition caseback, water resistant to 100m.

Dial: Black dial with applied rose gold-tone hour markers, luminous spade hands, small seconds sub-dial and date window at 6 o'clock, and power reserve indicator at 12 o'clock — a signature Marine Chronometer layout.

Movement: Automatic Ulysse Nardin in-house calibre UN-118, COSC chronometer certified, with 50 jewels, 28,800 vph, approximately 60 hours of power reserve, and the brand's patented DiamonSIL escapement and silicium hairspring, visible through the display caseback.

Strap/Bracelet: Ulysse Nardin strap with matching 18K rose gold folding clasp, giving the watch a substantial, luxurious presence on the wrist while keeping the maritime sport-dress character intact.